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Swan MP, Bourke MJ, Hopper AD, Kwan V, Williams SJ.Swan MP, et al. Among authors: hopper ad.Intern Med J. 2010 Oct;40(10):720-5. doi: 10.1111/j.1445-5994.2010.02300.x.Intern Med J. 2010.PMID: 21038539Review.